Clinical trials: Cannabis User
Cannabis Use Disorder, Severe
Cannabis and Processing Emotions Study
The goal of this study is to test a causal neural mechanism of cannabis use-related problem recognition in individuals with severe cannabis use disorder using a non-invasive form of neuromodulation called transcranial magnetic…
- Trial name
- CAPE (NCT06907979)
- Testing
- TMS - Active iTBS, TMS - Active cTBS
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Auburn University
Schizophrenia Spectrum Disorders, Cannabis Use
Effects of Cannabidiol on Psychiatric Symptoms, Cognition, and Cannabis Consumption in Cannabis Users With Recent-Onset Psychosis
A large proportion of people with a schizophrenia-spectrum disorder, especially in the early stages of the disease, regularly consume cannabis.
- Trial name
- NCT03883360
- Testing
- Cannabidiol (CBD)
- Where
- 3 sites in United States
- Sponsor
- University of Maryland, Baltimore
Cannabis, Marijuana
Analgesic Consumption in Chronic Marijuana Users Following Orthopedic Trauma Surgery
Marijuana use has increased since its legalization in Canada and many believe that it may help patients that are experiencing chronic pain.
- Trial name
- NCT04587700
- Where
- Canada
- Volunteers
- 5 people
- Sponsor
- University of Alberta
Driving Under the Influence of Cannabis
Pilot-Study for the Comparison of Biomarkers Between Regular Cannabis Users and Non-Users
The relevance of driving under the influence of cannabis is becoming increasingly important in the context of legalization. However, the measurement of tetrahydrocannabinol (THC) blood concentration is an inadequate marker for…
- Trial name
- CANBiome (NCT06975020)
- Testing
- Participants will prepare their cannabis product ad libitum and inhale the prepared product as usual for a maximum of 15 minutes.
- Where
- Switzerland
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Basel
Cannabis Dependence, Psychostimulant Dependence
Evaluation of the Effects of Treatment of Psycho-stimulant and Cannabis-dependent Users in Israel
This study evaluates the effects of psychological and pharmacological treatment of regular users of cannabis and psychostimulants in a treatment center (Kfar Izun) in Israel.
- Trial name
- NCT01510015
- Testing
- Risperidone
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- Tel-Aviv Sourasky Medical Center
Cannabis, Post Traumatic Stress Disorder
Nabilone in Cannabis Users With PTSD
Despite the prevalence of cannabis use among the PTSD population and self-reports that it is used to help cope with PTSD symptoms, the direct effects of cannabis on PTSD symptomology are unknown.
- Trial name
- NCT03251326
- Testing
- Nabilone, Cannabis, Propranolol
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- New York State Psychiatric Institute
Cannabis Use Disorder
Affective Management Training for Cannabis Misuse
Emerging evidence suggests that it is not the negative affect per se but underlying maladaptive cognitive, behavioral, and emotional responses to it that put an individual at risk of pathological substance use.
- Trial name
- NCT03432013
- Testing
- CUD-AMT, SUD-CBT
- Where
- 2 sites in United States
- Volunteers
- 51 people
- Sponsor
- University of California, Los Angeles
Cannabis
A Study of Ingested Cannabidiol in Healthy Occasional Cannabis Users
The purposes of this study are 1) to determine if the administration of different low doses of oral CBD (20 mg, 50 mg, 100 mg and 200 mg) result in detectable subjective pleasant drug effect compared to placebo and 2) to…
- Trial name
- NCT05407285
- Testing
- Cannabis 20 mg,, Cannabis 50 mg, Cannabis 100 mg
- Where
- Canada
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Marijuana Dependence
Effect of Oxytocin on Stress in Marijuana Users
The purpose of this study is to evaluate how people who frequently use marijuana respond to a stressful task, and if a medication (oxytocin) affects this response.
- Trial name
- NCT01335789
- Testing
- Oxytocin, Saline
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Medical University of South Carolina
Cannabis User
Effect of Acute Exercise on Cognitive Functions and Blood Markers of Brain Plasticity in Regular Chronic Cannabis Users
The endocannabinoid system (ECS) is a complex endogenous signaling system made up of transmembrane cannabinoid receptors (CB1 and CB2 receptors), their endogenous lipid-derived ligands (the endocannabinoids - eCBs), and enzymes…
- Trial name
- CANNABEX (NCT06081218)
- Testing
- activity test
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Cannabis User
Online Brief Advice Intervention for Heavy Cannabis Users
This project will evaluate whether a brief online intervention focused on cannabis withdrawal can increase awareness and insight about cannabis use disorder among daily cannabis users.
- Trial name
- Recalibrate (NCT07379736)
- Testing
- Educational video, Relaxation video
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- King's College London
Cannabis Use
Using Implementation Intentions to Reduce Cannabis Use
The study will recruit frequent users of cannabis (defined at least fortnightly use) and randomize them either to: (1) form implementation intentions by linking situations in which they are tempted to use cannabis with strategies…
- Trial name
- NCT03845842
- Testing
- Volitional help sheet
- Where
- United Kingdom
- Volunteers
- 311 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Cannabis Use, Cannabis Dependence
Neuroimaging of Adolescent Cannabis Use Treatment
This study is testing whether brain activity related to learning can help predict how well teens respond to a treatment program designed to reduce cannabis use.
- Conditions
- Cannabis Use, Cannabis Dependence, Cannabis Use Disorder, Cannabis Abuse
- Trial name
- ACT (NCT07340554)
- Testing
- Contingency Management, Elastic Net Regression
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Indiana University
Cannabis, THC
Modulation of THC Effects by CBD: a Dose-ranging Study
The purposes of this study are 1) to determine if CBD modulates THC-induced acute psychoactive effects at different CBD:THC ratios, compared with the control product (0:20, 20:20, 40:20, 80:20, 120:20) and 2) to determine if…
- Trial name
- SPECTRE (NCT06099379)
- Testing
- ∆9-tetrahydrocannabinol
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Recreational Cannabis Use
Emotional Brain Processes in Recreational Cannabis Users
This fMRI study investigates neural correlates of emotion regulation, emotion processing and craving in recreational cannabis users.
- Trial name
- NCT02801214
- Testing
- fMRI
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Cannabis Intoxication
Cannabis Impairment Detection Device Study
The goal of this study is to develop a cannabis impairment detection device in adult cannabis users. The main question[s] it aims to answer are: Is the investigational device accurate and reliable at detecting cannabis…
- Trial name
- NCT07122349
- Testing
- Cannabis Impairment Test
- Where
- Canada
- Volunteers
- 362 people, healthy volunteers welcome
- Sponsor
- Gaize
COPD, Insomnia
Colorado Marijuana Users Health Cohort
In Colorado, marijuana is currently used for both recreational and medicinal purposes.To learn more about the positive and negative long term medical effects of marijuana use.
- Conditions
- COPD, Insomnia, Cannabis
- Trial name
- NCT02735954
- Testing
- Marijuana
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- National Jewish Health
Cannabis Use Disorder
A Study of Cannabidiol in Young Adult Cannabis Users
The investigators will study the harm-reducing effect of hemp-derived CBD in non-treatment-seeking emerging adults who use cannabis regularly.
- Trial name
- NCT06569394
- Testing
- Broad Spectrum Cannabidiol (bsCBD) 400 mg
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- University of Colorado, Denver
Heavy Drinking, Alcohol Drinking
A Brief Intervention for Alcohol Users With Interpersonal Trauma
The current proposal aims to enhance a mobile-delivered brief intervention for young adults with heavy alcohol use and interpersonal trauma by including adaptive coping strategies for managing trauma-related distress and using…
- Conditions
- Heavy Drinking, Alcohol Drinking, Substance Use, Drinking Behavior
- Trial name
- NCT05414344
- Testing
- Standard Brief Intervention, Trauma-Informed and Peer-Supported Brief Intervention, Assessment only
- Where
- United States
- Volunteers
- 284 people
- Sponsor
- Western Kentucky University
Cannabis Use, Cannabis
Investigating Real-world Stress-related Mechanisms in Heavy Cannabis Users
This research project proposes a novel approach to elucidate the biological adaptations associated with heavy cannabis use and to assess whether such adaptations are predictive of higher cannabis craving in response to both…
- Conditions
- Cannabis Use, Cannabis, Cannabis Abuse
- Trial name
- CLR2 (NCT05833230)
- Testing
- Intensive Day Monitoring
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Yale University